<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .box{
            width: 200px;
			height: 200px;
			margin: 100px auto;
			box-shadow: 0 0 10px 10px hotpink inset;
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>